Air and other separator



Jan. 30, 1940. G FRASER 2,188,432

AIR AND OTHER SEPARATOR Filed July 29, 1936 I 2 Sheets-Sheet 1 INVENTOR Jan. v30, 1940. e. H. FRASER AIR AND OTHER SEPARATOR Filed Jlily 29, 1936 2 Sheets-Sheet 2 Patented Jan. 30, 1940 UNITED STATES PATENT orrlce Application July 29,

15 Claims.

This application is a continuation in part, of my original application, Serial No. 606,407, now Patent No. 2,113,586, filed April 10, 1932.

This invention relates to separators or classifiers in which a fluid current is used to separate fine from coarse or light from heavy material, and aims to improve such devices.

Such separators usually comprise an outer casing enclosing a settling chamber, an inner casing enclosing a separating chamber having a lower current inlet and an upward current passage and an upper current outlet in communication therewith, distribution means within said passage for the supply and distribution of material to be separated therein, and movably adjustable for varying such distribution, for varying the separation, current circulation means in communication with said passage, for upfiowing a current therethrough, for the separation of material therein, and current space variation means in the path of said current for defining the space through which said current may flow, and movably adjustable for varying said space, for thereby verifying the velocity of said current, for vary- Q5 ing said separation.

Material to be separated has entered in one type of such a separator through a central feed pipe surrounded by a tubular drive shaft, and in another type thereof it has entered through an annular feed pipe around the drive shaft of the separator. My present improvements may be availed of with either such type.

Sucha feed conduit has terminated in a supply orifice above and adjacent the distribution means.

The distribution means has been rotary, and has been vertically or radially movably adjustable, for vertically varying the zone of distribution or for radially varying its Width.

The current space variation means has comprised an upper rotary valve above the upper outlet, or an upper rotary baffle below and adjacent the upper outlet, or a lower valve above and adjacent the lower inlet, for defining the space through which the current may fiow. One or more of these has been movably adjustable for varying said space, for thereby varying the velocity of the current, for varying the separation.

Types of such separators are shown in my Patents Numbers 1,542,050 granted June 16, 1925 on my application Serial No. 281,445 filed March 8, 1919;

1,834,095 granted Dec. 1, 1931 on my application Serial No. 26,033 filed April 27, 1925;

1,876,516 granted September 6, 1932 on my 1936, Serial No. 93,210

application Serial No. 737,411 filed September 12, 1924;

1,987,615 granted Jan. 15, 1935 on my application Serial No. 687,359 filed Jan. 19, 1924;

1,992,942 granted March 5, 1935 on my application Serial No. 459,930 filed June 9, 1930;

2,055,484 granted September 29, 1936 on my application Serial No. 514,199 filed Feb. 7, 1931;

2,055,485 granted September 29, 1936 on my application Serial No. 714,961 filed March 10, 1934, and

2,113,586 granted April 12, 1938 on my application Serial No. 606,407 filed April 20, 1932.

Other types of such separators are shown in my co-pending applications- Serial No. 584,140 filed Dec. 31, 1931;

Serial No. 1,173 filed Jan. 10, 1935;

Serial No. 38,777 filed August 31, 1935;

Serial No. 55,423 filed Dec. 20, 1935, and

Serial No. 80,258 filed May 18, 1936 as a division of my said application Serial No. 1173.

This application contains subject matter originally set forth in my said application Serial No. 606,407, other subject matter of which has been protected by claims in my said Patent No. 2,113,586, and other subject matter of which is claimed in my said applications Serial No. 1173, Serial No. 38,777, Serial No. 55,423, and Serial No. 80,258.

The object of this invention is to provide improved means for varying the action of a pneumatic or other fluid current separator by simultaneously varying the velocity and path of the current stream and the manner in which the material is distributed.

A further object of my invention is to provide improved means for simultaneously relatively varying the velocity and path of the current stream and the manner in which the material is distributed.

A further object of my invention is to provide improved means for coincidently effecting said simultaneous variations by one operation or manipulation.

A further object of my invention is to provide for utilizing the current circulation means for carrying means for coincidently or simultane ously adjusting current space variation means and. distribution means.

A further obpect of my invention is to provide means for simultaneously adjustably sustaining movably ,adjustable current space variation means and movably adjustable distribution means from current circulation means.

To this end, in carrying out my invention in accordance with the preferred utilization thereof originally shown in my said original application Serial No. 606,407, now Patent No. 2,113,586, I provide various features of improvement, all of which will be more fully hereinafter set forth with reference to the accompanying drawings, which show a part of those originally included in my said original application, and bear corresponding reference letters.

In the accompanying drawings Fig. 1 is a vertical axial mid-section of a central supply conduit air separator provided with the preferred form of my present improvements, the view being cut approximately on the plane of the line l! in Fig. 2, and looking in the direction of the arrows;

Fig. 2 is a fragmentary plan view thereof, partly in horizontal sections cut approximately on the planes of the lines 22 in Fig. 1, and

Fig. 3 is a fragmentary horizontal section thereof cut approximately on the planes of the lines 3-3 in Fig. 1.

Referring to the drawings, which show the preferred utilization of my present invention with the following parts of the air separator originally shown in my said original application, and in which said parts are indicated by reference letters similar to those used therefor in said original application, let the following parts thereof be indicated by the following reference letters respectively:

A indicates the outer casing thereof;

B the inner casing spaced therein;

C the supply conduit having an orifice therein;

D the rotary and movably adjustable distributor thereof;

E the drive mechanism therefor;

F the blower rotated by said mechanism;

G the settling chamber in the casing A;

H the separating chamber in the casing B;

I the lower inlet to the latter;

J the upper outlet therefrom;

K the tailings receiver spaced below the inlet I;

L the tailings outlet;

M the dust chamber of the casing A;

N the dust outlet;

the line interceptor vanes around the receiver K;

P the return current passage below the inlet I;

Q the upward passage, or the selection chamber, within the separating chamber H;

R the distribution chamber around the distributor D;

S the rotary and movably adjustable upper bafile below the outlet J;

T the annular baffle above the distribution chamber R and below the selection chamber Q, and spaced above and around the distributor D;

U the drive shaft around the conduit C and on which the distributor D is vertically slidably adjustable;

V the upper bearing for the shaft U;

W the gear casing for the latter;

X the lower bearing for the shaft U;

Y the vertically movably adjustable rotary upper Valve above the outlet J;

Z the movably adjustable rotary lower valve above the inlet I;

A the rotary partition between the return passage P and the tailings receiver K;

a the flat top wall of the casing A;

b the cylindrical side walls of the latter;

0 the supporting feet for the casing A;

d the conical lower wall of the latter;

e the dust cone thereof;

1 the supporting brackets for the inner casing B;

9 the flat top wall of the latter;

h the cylindrical upper side walls thereof;

2' the conical side walls of the selection chamber Q;

:i the cylindrical side walls of the distribution chamber R;

k the conical lower walls of the latter;

I the grit passage between the annular baffle 'I and the walls 7';

m the feed hopper suspending the conduit C from the gear casing W;

n the removable top of the gear casing W;

o the base of the latter;

p the drive gear for the shaft U;

q the drive pinion therefor;

r the shaft for this pinion;

s the drive pulley therefor;

t the tapered roller bearing for vertically stationarily sustaining the shaft U;

u the spacer bolts for suspending the distributor D;

1) the slidable suspender hub for and spaced above the distributor D, and connected thereto by the bolts 11., and slidably mounted around the shaft U;

z the fan hub vertically fixed on the shaft U and carrying the blower F therefrom and rotating it therewith;

a the recessed upper side of the hub z;

b the spoke means or fan spokes carried by the hub 2 and spaced above the outlet J;

c the fan blades depended by their upper edges from the spokes b and having inner edges around and above the outlet J;

01' the upper valve chamber above the outlet J and below the spokes b and encircled'by the blades 0';

i the distributor balancing spring;

Z a flanged closure ring seated on the top wall a and depended into the recess a in the hub 2, for resisting leakage therebetween;

o the segmental plates of the valve Y, having outer peripheral edges surrounded by the fan blades 0, and having downwardly bent side edges beneath and affording clearance recesses for receiving the fan spokes b when the valve Y is completely raised;

p the radially extended angles under and on which the segments 0- are mounted;

q the impellers, which according to my present invention are suspenders, carrying the levers 1" from, and through said levers simultaneously adjustably sustaining the distributor D, baffle S, and valves Y and Z, from the blower means F, which suspenders are carried by and depended from the spoke means b and vertically stationarily suspend the partition A therefrom, and to which the upper valve Y, the upper baffle S, the lower distributor D, and the lower valve Z, are vertically slidably connected, and by which each of these parts is caused to revolve with the blower means F;

1" the revoluble oscillatory members or levers of the simultaneous adjustment means, which levers according to my present invention are carried by or suspended from the blower means, as by being fulcrumed to the impellers q, and are common to and simultaneously movably adjustably sustain the valve, battles and distributor, therefrom;

s the connecting links between the outer end of the levers r and the upper valve Y, which links according to my present invention sustain the Valve Y, through the levers r, from the'blower means;

i the operating links for the levers r u the vertically slidable adjustment means or operator member for the levers 1", connected thereto by the links if, and vertically slidably mounted on the shaft U, which member u according to my present invention is slidable on the shaft U and on the suspenders q of the blower means;

'0 the suspenders for the operator u, extended up through and above the hub z and suspended thereabove;

w the externally flanged collar carrying the 5 suspenders '0;

11: the non-rotary internally flanged collar around the collar 11:;

y the suspender links for the collar :0;

a2 the manually operable non-rotary adjustment means or forked lever for adjusting the levers r, the valves Y and Z, the distributor D,

and the balile S;

b2 the adjusting screws for tilting the lever a2;

02 the counterbalancer weight for counterbalanci'ng the lever a2 and the operator u and the movable parts, sustained thereby;

(12 the counterblanced lever fulcrumed on and adjustably connected to the lever a2, and adjustably carrying the weight 02;

e2 the adjusting screws for adjustably connecting the lever d2 to the lever a2;

12 the externally flanged thimble around and vertically slidable on the shaft U, and rotatable with and connecting the suspenders v with the collar w 92 the connecting links between the inner ends of the levers r and the bafile S, which links according to my present invention are suspension links suspending the bafile S and the distributor D from the levers 1" and through said levers from the blower means;

' 722 the fulcrums of the levers T, which fulcrums according to my present invention are on the suspenders q of the blower means;

k2 the lower valve links, which links according to my present invention suspend the valve Z through the levers r, from the blower means;

w2 the suspenders for the inner casing B;

9:2 the springs carrying the suspenders m2;

12 the suspenders for the interceptor vanes O;

22 the suspenders for the receptacle K;

(13 the ball bearing between and revolubly connecting the internally mounted revoluble adjustment member u with the non-rotary adjustment means a2, having balls between an outer race mounted in the collar is and an inner race revolubly sustaining the collar w therefrom;

b3 the slideways in and extended through the hub z and in which the suspenders v are vertically slidably mounted;

03 are the inner and outer link holes in the levers r;

' 123 are the inner and outer link holes in the operator u, by which holes the links if may con- 65 nect the operator u with the levers 7" at either side of the fulcrums hZ thereof, for moving the valve Y reversely to the direction of movement of the operator u when the links if is connected as shown in full lines, or for moving this valve in 7 the direction of movement of the operator u when the links t is connected in the outer holes, these holes being disposed between the ends and the fulcrum of the levers r in order to make the levers a motion multiplication means between the operator u and the valve Y and bafile S;

e3 the connecting links between the links 92 and the distributor D, which links e3 according to my present invention are suspension links suspending the distributor D from the levers 1" and. through said levers from the blower means.

93 the apertured cylindrical slideway depended from the gear casing W into the recess a in the hub z and around and vertically slidably enclosing the collar 1:.

These parts may be of any suitable construction for the supply and distribution in the separating chamber of material to be separated, and for causing a separating current to circulate up through the separating chamber to separate fine material therein and to float such material into the settling chamber, and for simultaneously varying the velocity and path of the current stream and the manner in which the material is distributed.

As shown the casing A consists of a flat top a, fitted to a side wall I) consisting of separably connected sections carried by feet 0, and having a conical lower part d separably fitting into a lower dust cone e, for enclosing the settling chamber G and the dust chamber M.

As shown the inner casing B is within and in spaced relation to the outer casing, and carried therefrom by brackets f suspended by pipes wZ from springs r2 thereabove, and has an annular top wall g encircling the outlet J, and a large cylindrical side wall it encircling a large expansion or selection chamber Q below the upper outlet of the separating chamber H, and an inclined wall 2', and a cylindrical side wall 7 encircling a lower distribution chamber R in a lower part of the separating chamber, and a lower conical wall is encircling the inlet I and spaced above the upper end of the tailings receiver K sufliciently to afford a return current passage P between the inner casing and this receiver.

As shown the feed pipe C is suspended from a hopper m with its lower orifice within the separating chamber and above the distributor.

As shown the distributor D is surrounded by and carries an annular lower bafile T, and is a vertically adjustable flat sectionalized rotary ring or disc within the distribution chamber R and opposite and spaced below the feed pipe C, for receiving therefrom material to be separated and for rotatably distributing such material across the space between the outer periphery of the distributor and the inner wall of the inner casing.

As shown the blower F comprises substantially radially extended spoke means b, having fan blades 0' depended by their upper edges therefrom and having inner edges above and around the upper outlet, which are revoluble in the space between the top wall a of the outer casing and the top wall 9 of the inner casing, for outblowing current from the outlet J into the settling chamber G, and for causing it to circulate down through the latter and in through the interceptor O and the return passage P, and up through the inlet I and the distribution chamber R and the selection chamber Q, to the outlet J.

These spoke means I) are shown as carried by a fan hub 2 having an upper recess a revolubly fitting around an annular flared collar l; the flange of which rests on the wall a, which collar affords a removable closure between this wall and this hub.

As shown the upper baflle Sis vertically adjustable below and adjacent the upper outlet J, for varying the space therebetween through which the current may flow, for varying the velocity of the current, and is spaced above the distributor, for defining the height of the selection chamber Q therebetween.

As shown the upper valve Y is vertically movable in a valve chamber (1 above the outlet J and below the spoke means 12', and has an outer periphery which'is encircled by blades 0', and is constructed of segmental plates 0' the side edges of which are bent downwardly and then outwardly and are separably fastened to the upper horizontal leg of adjacent radially extended angles and affords recesses opposite: and below the spoke means 7; for receiving the latter when the valve is fully raised, whereby to permit raising of the plates 0' to flush with the top of the fan blades when the valve is in its open position, to then permit utilization of the entire superficial area of the blades.

As shown the lower valve Z is vertically movable and consists of an inverted conical ring.

As shown the partition A, is vertically stationarily carried from the spoke means I) by impeller suspenders q, which sustain this part from the blower F, and which rotate this part and the distributor D and the bafile S, and the valves Y and Z, with the blower.

As shown the shaft U is vertically stationary, and the baffle S and the valves Y and Z and the distributor D, are each vertically movably adjustable relatively thereto, and. are each vertically slidable on the impellers q, and are rotated thereby from the blower means F.

As shown the hub z is fixed on the shaft U, and the distributor has a hub 11 which is vertically slidably mounted around this shaft and is rotated therewith by the impellers q.

As shown the upper valve Y and the lower valve Z are connected together by a vertically movable connection k2, which vertically moves both of said valves in the same direction and to the same extent at the same time, as claimed in my said original application, Serial No. 605s now Patent No. 2,113,586.

As shown the distributor D and the valves Y and Z are coincidently relatively or reversely simultaneously movably adjusted by coincident adjustment means as generically claimed in my said application Serial No. 55,423, in which the levers r of the relative simultaneous adjustment means are shown as fulcrumed to a vertically stationary spider u which is fixed on the drive shaft U, and as sustained from said shaft, instead of by the blower means as herein claimed.

My present application aims to generically protect that part of my original invention originally set forth in my original application Serial No. 606,497, new Patent No. 2,113,586 which provided for simultaneously movably sustaining from the blower means movably adjustable distribution means and current space variation means and simultaneous adjustment means for and common to said movable parts, and' that part thereof in which said adjustment means was carried by the blower means, or comprised a lever fulcrumed to the latter, or comprise means carried by the blower means and in suspension operative relation to both the distributor and a space variation means.

To this end I preferably provide manually operated non-rotary adjustment means in operative relation to and revolubly connected to revoluble adjustment means which is mounted inwardly of and below the outer casing, and is carried by or oscillatorily fulcrumed to the blower means, and is in operative relation to and common to the distribution and current space variation means in such a manner that adjustment of the non-rotary means operates the revoluble means, and therethrough causes a simultaneous movement of the distribution means and the current space variation means without stopping rotation thereof. To this end 1 preferably provide a revolubly connected revoluble adjustment means carried by the blower means and carrying and adjustably moving the distributor and the current space,

variation means simultaneously, comprising the members indicated generally by y which members are mounted inwardly of and below the outer casing and above the distributor, and are connected with the distributor and the current space vari- W ation means in such a manner that adjustment of the revoluble adjustment means causes a simultaneous movement of the others, which internally mounted revoluble adjustment means is revolubly connected to and manually operated by manual operation of non-rotary adjustment means generally indicated by a2.

In the particular embodiment of my invention shown in the accompanying drawings, the distributor comprises a rotatable, vertically adjustable plate D, and the current space variation means comprises the rotatable vertically adjustable upper and lower valves Y and Z and the upper baflle S respectively.

The valves Y and Z are interconnected by sue-- pension members 702, whereby, in this particular embodiment, they move coincidently equal distances in the same direction.

The revoluble adjustment means 3;, in this particular embodiment, comprises levers 1', which are shown as carried by the blower means F by being fulcrumed at M, below the valve Y and above the baffle S and the distributor D, to impellers q depended from the fan spokes b.

The distributor D and the valves Y and Z of the current space variation means are shown in this embodiment as connected to the levers 1" on opposite sides of its fulcrum, whereby the distributor and these valves move coincidently in opposite direction.

Suitable connections are provided between the levers r and the distributor D. The suspension links e3 below the baffle S, and the suspension links 92 above the latter serve as such a connection. The valves of the current space variation means are preferably also connected to the levers r by suitable connections, such as the members 8 and k2, whereby the distributor'D, the baffle S, and the valves Y and Z are in this embodiment movably sustained from and relatively to the blower means F, and may be movably adjusted by movement of the levers r.

The revoluble adjustment means y may be revolubly connected to and operated from the non-rotary adjustment means a2 by any suitable connection, but I prefer that shown, in which each lever r is connected by a link t with a collar or spider member u which is vertically slidable on the shaft U and is revolubly connected with a non-rotary bearing :13 carried and vertically moved by a non-rotary adjusting lever :12, in such manner that vertical movement of the bearing a3 will be transmitted through the spider u to each lever 1" for vertically tilting the latter. In the embodiment shown the bearing a3 is a ball bearing the outer race of which is carried by the internally flanged collar m connected to the lever a2 by links y and the inner race of which sustains a flanged collar w fixed on a flanged collar IE, to the flange of which the spider u is connected by suspenders i) which slide through holes 123 in the fan hub a and serve to suspend the spider u and adjust the levers 1" and the distributor D and valves Y and Z and bafile S from the bearing a3, which revolubly connects these with the lever :12, tilting of which vertically movably adjusts the distributor and upperbafile, preferably similarly and to the same extent, and the upper and lower valves preferably relatively and reversely thereto in the construction shown.

The lever a2 is shown as cushioned by an adjustable spring 2', and as manually adjustable by a screw b2, by which it may be set at any inclination desired for normal operation, and as counterbalanced by a weight 02 adjustable on a counterbalanced lever d2, which is adjustably connected to the lever 11?. by set screws e2, by which the lever (12 may be adjusted to a horizontal'position relatively to any inclined position of the lever a2.

In the construction shown the bearing a3 is enclosed by and vertically slidable in a tubular guideway g3 depended from the gear casing W.

Preferably each lever r is provided with inner and outer holes 03 and the spider u is provided with coinciding holes (13, in either of which the links t may be applied for connecting the spider with the levers inwardly or outwardly of the fulcrums 712.

In operation with the construction shown depression of the bearing a3 and spider u will tilt the levers r in one direction, and thereby lower the distributor D and baflie S and raise the valves Y and Z, for increasing the velocity of the current with depression of the zone of distribution, and raising of the bearing (13 will tilt the levers r in the other direction, and thereby raise the distributor D and bafile S and lower the valves Y and Z, for decreasing said velocity with elevation of said zone, and when a reversal of these variations is desired it may be accomplished by shifting the links t from the inner holes (Z3 and 03 to the outer holes.

Although the simultaneous adjustment means claimed herein as carried by blower means is shown as relatively or reversely simultaneously adjusting distribution means and current space variation means, relative or reverse simultaneous adjustment means relatively or reversely adjusting distribution means and current space variation means, is not generically claimed herein, being generically claimed in my said application Serial No. 55,423. I

It Will be understood that my invention is not limited to the particular details of construction, arrangement, combination, or use, of the parts set forth as embodying the preferred utilization thereof, since it can be employed according to such modifications of any of these as circumstances, or the judgment of those skilled in, the art, may dictate, without departing from the spirit of my invention.

What I claim is:

1. In a separator comprising, a casing enclosing a, current passage, a casing enclosing a separating chamber having a lower current inlet and an upward current passage and an upper current outlet in communication with said pas- 'material therein, comprising spoke means extended above said separating chamber and fan blades above and around said outlet, rotary and movable distribution means within said upward passage, distributing said material, and varying the zone of said distribution, a rotary and movable valve in communication with one of said passages, defining the space through Which said current may flow, and varying said space and the velocity or" said current, rotary shaft means in operative relation to and rotating said rotary parts, adjustment means adjusting said movable parts, and support means for said parts, said adjustment means including a member movable relatively to said shaft means and carried by said blower means and connected to said distribution means and to said valve, and constructed and arranged to simultaneously move said distribution means and said valve in response to and coincidently with movement of said adjustment means.

2. The separator specified in claim 1, in which said. adjustments are in vertical directions.

3. The separator specified in claim 1, in which said adjustments are relative.

4. The separator specified in claim 1, in which said adjustments are in reverse directions.

5. In a separator, comprising a casing enclosing a current passage, a casing enclosing a separating chamber having a lower current inlet and an upward current passage and anupper current outlet in communication with said passage, supply means supplying material to be separated in said separating chamber, rotary blower means in communication with and upflowing a separating current through said material in said upward passage, comprising spoke means extended above said separating chamber and fan blades above and around said outlet, rotary and movable distribution means within and distributing said material in said upward passage, and varying the zone of said distribution, rotary and movable current space variation means in communication with one of said passages, defining and varying the space through which said current may flow and the velocity of said current, rotary shaft means in operative relation to and rotating said rotary parts, adjustment means adjusting said movable parts, and support means for said parts; said adjustment meansincluding a member movable relatively to said shaft means and in slidable engagement with and slidable on said blower means and connected to said distribution means and said space variation means,

rent therethrough, for the separation of said material therein, comprising spoke means extended above said separating chamber and fan blades above and around said outlet, rotary and movable distribution means within said upward passage, distributing said material therein, and varying the zone of said distribution, current space variation means in communication with one of said passages, defining the space through which said current may flow, and movable for varying said space and the velocity of said cu'rrent, rotary shaft means in operative relation to and rotating said rotary parts, adjustment means adjusting said movable parts, and support means for said parts; said adjustment means including a member movable relatively to said shaft means and carried by said blower means and connected to said distribution means and said space variation means, and constructed and arranged to simultaneously adjust said distribution means and said space variation means in response to and coincidently with movement of said adjustment means.

7. The separator specified in claim 6, in which said adjustments are relative.

8. In a separator comprising, a casing enclosing a current passage, a casing enclosinga separating chamber having a lower current inlet and an upward current passage and an upper current outlet in communication with said passage, supply means supplying material to be separated in said separating chamber, rotary blower means in communication with said upward passage and circulating a separating current therethrough, for the separation of said material therein, rotary distribution means within said upward passage, distributing said material therein and movable for varying the zone of said distribution, a rotary baffle wall within said separating chamber, below said outlet and above said distribution means, defining the space through which said current may flow, and movable for varying said space and the velocity of said'current, rotary shaft means in operative relation to and rotating said rotary parts, adjustment means adjusting said movable parts, and support means for said parts; said adjustment means including a mem ber movable relatively to said shaft means and carried by said blower means and connected to said distribution means and to said bafiie wall, and constructedand arranged to simultaneously adjust said distribution means and said bafiie wall in response to and coincidently with movement of said adjustment means.

9. The separator specified in claim 8, in which said adjustments are in vertical directions.

10. The separator specified in claim 8, in which said adjustments are to the same extent.

11. In a separator comprising, a casing enclosing a current passage, a casing enclosing a separating chamber having a lower current inlet and an upward current passage and an upper current outlet in communication with said passage, supply means supplying material to be separated in said separating chamber, rotary blower means in communication with one of said passages and circulating a separating current through said upward passage, comprising spoke means having fan blades above said outlet, rotary distribution means within said upward passage, distributing said material therein, and movable for varying the zone of said distribution, current space variation means in communication with one of said passages, defining the space through which said current may flow, and movable for varying said space and the velocity of said current, rotary shaft means in operative'relation to and rotating said rotary parts, adjustment means adjusting said movable parts, and support means for said parts;.said adjustment means including a member movable relatively to said shaft means and fulcrumed to said blower means and connected to said distribution means and to said space variations means, and constructed and arranged to simultaneously adjust said distribution means and said space variation means relatively to-said blower means in response to and coincidently with movement of said adjustment means.

12. The separator specified in claim 11, in which said adjustments are relative.

13. In a separator comprising, a casing enclosing a current passage, a casing enclosing a separating chamber having a lower current inlet and an upward current passage and an upper current outlet in communication with said passage, supply means supplying material to be separated insaid separating chamber, rotary blower means in communication with one of said passages and circulating a separating current through said upward passage, rotary and movable distribution means within said upward passage, distributing said material therein, rotary and movable current space variation means in communication with one of said passages, defining the space through which said current may flow, and varying said space and the velocity of said current, rotary shaft means in operative relation to and rotating said rotary parts, adjustment means adjusting said movable parts, and support means for said parts; said adjustment means including a sustenance member movable relatively to said shaft means and sustained by said blower means, connected to and sustaining said distribution means and said current space variation means, and constructed and arranged to from said blower means sustain and simultaneously adjust said distribution means and said current space variation means in response to and coincidently with movement of said adjustment means.

14. In a separator comprising, a casing enclosing a current passage, a casing enclosing a separating chamber having a lower current inlet and an upward current passage and an upper current outlet in communication with said passage, supply means supplying material to be separated in said separating chamber, rotary blower means in communication with said upward passage and circulating a separating current therethrough, for the separation of said material therein, comprising spoke means having fan blades above said outlet, rotary distribution means within said upward passage, distributing said material therein, and movable for varying said distribution, current space variation means in communication with one of said passages, defining the space through which said current may flow, and movable for varying said space and the velocity of said current, rotary shaft means in operative relation to and rotating said rotary parts, adjustment means adjusting said movable parts, and support means for said parts; said adjustment means including a suspension member movable relatively to said shaft means and suspended from said blower means, connected to and suspending said distribution means and said current space variation means, and constructed and arranged to from said blower means suspend and simultaneously adjust said distribution means and said space variation means in response to and coincidently with movement of said adjustment means.

15. In a separator comprising, a casing enclosing a current passage, a casing enclosing a separating chamber having a lower current inlet and an upward current passage and an upper current outlet in communication with said passage, supply means supplying material to be separated in said separating chamber, rotary blower means in communication with said upward passage and circulating a separating current therethrough, for the separation of said material therein, comprising spoke means having fan blades above said outlet, rotary and movable distribution means within said upward passage, distributing said material therein, current space variation means in communication with one of said passages, defining the space through which said current may flow, andmovable for varying said space and the velocity of said current, rotary shaft means in operative relation to and rotating said rotary parts, adjustment means adjusting said movable parts, and support means for said parts; said adjustment means including an oscillatory member oscillatory about an axis carried by said blower means and oscillatorily movable about said axis relatively to said shaft means, connected-to and sustaining said distribution means and said current space variation means, and constructed'and arranged to from said blower means sustain and simultaneously adjust said distribution means and said space variation means relatively to said blower means in respanse to and coincidently with movement of said adjustment means.

GEORGE HOLT FRASER. 

